1. Division of Bacteriology, ICMR-National Institute of Cholera and Enteric Diseases, P-33, C.I.T. Road, Scheme XM, Beliaghata, Kolkata, West Bengal 700010, India
2. Department of Chemistry, School of Basic and Applied Sciences, Adamas University, Jagannathpur, Barasat, North 24 parganas, West Bengal 700126, India
3. Division of Clinical Medicine, ICMR-National Institute of Cholera and Enteric Diseases, Kolkata, P-33, C.I.T. Road, Scheme XM, Beliaghata, Kolkata, West Bengal 700010, India
4. Laboratory of Food Science and Technology, Food and Nutrition Division, University of Calcutta, 20B judges Court Road, Alipore, Kolkata, West Bengal 700027, India